com.scalar.db.api.ConditionBuilder Maven / Gradle / Ivy
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package com.scalar.db.api;
import com.scalar.db.api.ConditionalExpression.Operator;
import com.scalar.db.io.BigIntColumn;
import com.scalar.db.io.BlobColumn;
import com.scalar.db.io.BooleanColumn;
import com.scalar.db.io.Column;
import com.scalar.db.io.DoubleColumn;
import com.scalar.db.io.FloatColumn;
import com.scalar.db.io.IntColumn;
import com.scalar.db.io.TextColumn;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
public class ConditionBuilder {
/**
* Returns a builder object for a PutIf condition.
*
* @param conditionalExpression a condition expression for a PutIf condition
* @return a builder object
*/
public static PutIfBuilder putIf(ConditionalExpression conditionalExpression) {
return new PutIfBuilder(conditionalExpression);
}
/**
* Creates a PutIf condition with the specified conditional expressions.
*
* @param conditionalExpressions condition expressions for a PutIf condition
* @return a PutIf condition
*/
public static PutIf putIf(List conditionalExpressions) {
return new PutIf(conditionalExpressions);
}
/**
* Creates a PutIfExists condition.
*
* @return a PutIfExists condition
*/
public static PutIfExists putIfExists() {
return new PutIfExists();
}
/**
* Creates a PutIfNotExists condition.
*
* @return a PutIfNotExists condition
*/
public static PutIfNotExists putIfNotExists() {
return new PutIfNotExists();
}
/**
* Returns a builder object for a DeleteIf condition.
*
* @param conditionalExpression a condition expression for a DeleteIf condition
* @return a builder object
*/
public static DeleteIfBuilder deleteIf(ConditionalExpression conditionalExpression) {
return new DeleteIfBuilder(conditionalExpression);
}
/**
* Creates a DeleteIf condition with the specified conditional expressions.
*
* @param conditionalExpressions condition expressions for a DeleteIf condition
* @return a DeleteIf condition
*/
public static DeleteIf deleteIf(List conditionalExpressions) {
return new DeleteIf(conditionalExpressions);
}
/**
* Creates a DeleteIfExists condition.
*
* @return a DeleteIfExists condition
*/
public static DeleteIfExists deleteIfExists() {
return new DeleteIfExists();
}
/**
* Builds a conditional expression with the specified column and operator.
*
* This method is primarily for internal use. Breaking changes can and will be introduced to
* this method. Users should not depend on it.
*
* @param column a target column used to compare
* @param operator an operator used to compare the target column
* @return a conditional expression
*/
public static ConditionalExpression buildConditionalExpression(
Column column, Operator operator) {
return new ConditionalExpression(column, operator);
}
/**
* Returns a builder object for a condition expression for PutIf/DeleteIf
*
* @param columnName a column name for a condition expression
* @return a builder object
*/
public static ConditionalExpressionBuilder column(String columnName) {
return new ConditionalExpressionBuilder(columnName);
}
public static class ConditionalExpressionBuilder {
private final String columnName;
private ConditionalExpressionBuilder(String columnName) {
this.columnName = columnName;
}
/**
* Creates an 'equal' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToInt(int value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToText(String value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates an 'equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isEqualToBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.EQ);
}
/**
* Creates a 'not equal' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToInt(int value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToText(String value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'not equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isNotEqualToBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.NE);
}
/**
* Creates a 'greater than' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanInt(int value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanText(String value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.GT);
}
/**
* Creates a 'greater than or equal' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToInt(int value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToText(String value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'greater than or equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isGreaterThanOrEqualToBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.GTE);
}
/**
* Creates a 'less than' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanInt(int value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanText(String value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.LT);
}
/**
* Creates a 'less than or equal' conditional expression for a BOOLEAN value.
*
* @param value a BOOLEAN value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToBoolean(boolean value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for an INT value.
*
* @param value an INT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToInt(int value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a BIGINT value.
*
* @param value a BIGINT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToBigInt(long value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a FLOAT value.
*
* @param value a FLOAT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToFloat(float value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a DOUBLE value.
*
* @param value a DOUBLE value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToDouble(double value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a TEXT value.
*
* @param value a TEXT value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToText(String value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToBlob(byte[] value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'less than or equal' conditional expression for a BLOB value.
*
* @param value a BLOB value used to compare with the target column
* @return a conditional expression
*/
public ConditionalExpression isLessThanOrEqualToBlob(ByteBuffer value) {
return new ConditionalExpression(columnName, value, Operator.LTE);
}
/**
* Creates a 'is null' conditional expression for a BOOLEAN value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullBoolean() {
return new ConditionalExpression(BooleanColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for an INT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullInt() {
return new ConditionalExpression(IntColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for a BIGINT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullBigInt() {
return new ConditionalExpression(BigIntColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for a FLOAT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullFloat() {
return new ConditionalExpression(FloatColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for a DOUBLE value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullDouble() {
return new ConditionalExpression(DoubleColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for a TEXT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullText() {
return new ConditionalExpression(TextColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is null' conditional expression for a BLOB value.
*
* @return a conditional expression
*/
public ConditionalExpression isNullBlob() {
return new ConditionalExpression(BlobColumn.ofNull(columnName), Operator.IS_NULL);
}
/**
* Creates a 'is not null' conditional expression for a BOOLEAN value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullBoolean() {
return new ConditionalExpression(BooleanColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for an INT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullInt() {
return new ConditionalExpression(IntColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for a BIGINT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullBigInt() {
return new ConditionalExpression(BigIntColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for a FLOAT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullFloat() {
return new ConditionalExpression(FloatColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for a DOUBLE value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullDouble() {
return new ConditionalExpression(DoubleColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for a TEXT value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullText() {
return new ConditionalExpression(TextColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
/**
* Creates a 'is not null' conditional expression for a BLOB value.
*
* @return a conditional expression
*/
public ConditionalExpression isNotNullBlob() {
return new ConditionalExpression(BlobColumn.ofNull(columnName), Operator.IS_NOT_NULL);
}
}
public static class PutIfBuilder {
private final List conditionalExpressions;
private PutIfBuilder(ConditionalExpression conditionalExpression) {
conditionalExpressions = new ArrayList<>();
conditionalExpressions.add(conditionalExpression);
}
/**
* Adds a condition for a PutIf condition.
*
* @param conditionalExpression a condition for a PutIf condition
* @return a builder object
*/
public PutIfBuilder and(ConditionalExpression conditionalExpression) {
conditionalExpressions.add(conditionalExpression);
return this;
}
/**
* Builds a PutIf condition with the specified conditional expressions.
*
* @return a PutIf condition
*/
public PutIf build() {
return new PutIf(conditionalExpressions);
}
}
public static class DeleteIfBuilder {
private final List conditionalExpressions;
private DeleteIfBuilder(ConditionalExpression conditionalExpression) {
conditionalExpressions = new ArrayList<>();
conditionalExpressions.add(conditionalExpression);
}
/**
* Adds a condition for a DeleteIf condition.
*
* @param conditionalExpression a condition for a DeleteIf condition
* @return a builder object
*/
public DeleteIfBuilder and(ConditionalExpression conditionalExpression) {
conditionalExpressions.add(conditionalExpression);
return this;
}
/**
* Builds a DeleteIf condition with the specified conditional expressions.
*
* @return a DeleteIf condition
*/
public DeleteIf build() {
return new DeleteIf(conditionalExpressions);
}
}
}